Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to London from C$ 467

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — LON
6 Jul — 13 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to London are usually found in November or September, booked 23 days in advance, depart on a Sunday or Saturday and return on a Sunday

Cheap flight deals from Pierre Elliott Trudeau Intl to London

Enter your travel dates to find the best prices.

Cheapest flights from Pierre Elliott Trudeau Intl to London
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 June 2026.

Sat 25/710:05 p.m.
YUL
-
LGW
Nonstop6h 45m
Air Transat
Fri 31/712:40 p.m.
LGW
-
YUL
1 stop12h 50m
Air Transat
Deal found 2/6C$ 786
Sat 6/66:40 p.m.
YUL
-
LHR
Nonstop6h 50m
Air Canada
Fri 12/62:05 p.m.
LHR
-
YUL
Nonstop7h 35m
Air Canada
Deal found 3/6C$ 786
Wed 2/95:45 p.m.
YUL
-
STN
2 stops21h 45m
Multiple Airlines
Wed 16/910:45 p.m.
STN
-
YUL
2 stops30h 40m
Multiple Airlines
Deal found 4/6C$ 787
Mon 22/64:15 p.m.
YUL
-
LGW
1 stop10h 40m
Air Transat
Tue 7/712:40 p.m.
LGW
-
YUL
1 stop11h 40m
Air Transat
Deal found 4/6C$ 787
Sun 7/66:55 p.m.
YUL
-
LHR
Nonstop6h 35m
Air Canada
Sun 14/66:00 a.m.
LHR
-
YUL
1 stop12h 50m
Air Canada
Deal found 2/6C$ 787
Sun 21/68:35 p.m.
YUL
-
LGW
1 stop30h 20m
Air Transat
Thu 25/611:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Air Transat
Deal found 5/6C$ 789
Tue 15/91:10 p.m.
YUL
-
LHR
1 stop12h 25m
Air Canada
Fri 25/96:00 a.m.
LHR
-
YUL
1 stop14h 00m
Air Canada
Deal found 4/6C$ 789
Thu 10/98:35 p.m.
YUL
-
LGW
1 stop9h 10m
Air Transat
Fri 2/1011:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Air Transat
Deal found 2/6C$ 790
Fri 5/66:40 p.m.
YUL
-
LHR
Nonstop6h 50m
Air Canada
Fri 12/62:05 p.m.
LHR
-
YUL
Nonstop7h 35m
Air Canada
Deal found 4/6C$ 790
Mon 29/65:10 p.m.
YUL
-
LGW
1 stop12h 35m
Air Transat
Tue 7/711:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Air Transat
Deal found 2/6C$ 792
Tue 16/66:40 p.m.
YUL
-
LHR
Nonstop6h 50m
Air Canada
Fri 19/66:50 a.m.
LHR
-
YUL
1 stop9h 15m
Air Canada
Deal found 3/6C$ 792
Fri 12/66:45 a.m.
YUL
-
LGW
1 stop23h 00m
Air Transat
Tue 16/612:40 p.m.
LGW
-
YUL
1 stop26h 22m
Air Transat
Deal found 3/6C$ 793

Find flight deals from Pierre Elliott Trudeau Intl to London

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 6 June 2026.

Round-trip from

C$ 786

One-way from

C$ 467

Popular in

December

Cheapest in

November

Average price

C$ 1,000

Good round-trip deal

C$ 780 or less

Good one-way deal

C$ 525 or less
Air Transat
  • Air Transat
  • 25/7-31/7
  • 1 total stop
  • 19h 35m total
  • Montreal to London
2/7
  • 2/7
  • 2 total stops
  • 45h 10m total
  • Montreal to London
Highest demand for flights based on searches. 2% potential increase in price (C$ 32 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease (C$ 43 potential savings vs. average RT price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to London (LON).
Price to beat on a one-way flight from Montreal Pierre Elliott Trudeau Intl to London (LON).

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 6 June 2026.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Fri 11/9

6:40 p.m.-6:30 a.m.

Nonstop6h 50m

London Heathrow

Sat 19/9

12:40 p.m.-6:18 p.m.

1 stop10h 38m

C$ 800

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sat 12/9

4:15 p.m.-7:55 a.m.

1 stop10h 40m

London Gatwick

Tue 22/9

12:40 p.m.-7:32 p.m.

1 stop11h 52m

C$ 803

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 8/10

4:15 p.m.-7:55 a.m.

1 stop10h 40m

London Gatwick

Thu 15/10

12:40 p.m.-7:20 p.m.

1 stop11h 40m

C$ 803

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Thu 10/9

8:30 p.m.-11:50 a.m.

1 stop10h 20m

London Heathrow

Fri 25/9

9:30 a.m.-12:00 p.m.

Nonstop7h 30m

C$ 814

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Fri 11/9

4:40 p.m.-8:35 a.m.

1 stop10h 55m

London Heathrow

Fri 25/9

12:40 p.m.-6:18 p.m.

1 stop10h 38m

C$ 817

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Thu 1/10

6:35 p.m.-1:00 p.m.

2 stops13h 25m

London Heathrow

Wed 7/10

8:05 p.m.-3:00 p.m.

1 stop23h 55m

C$ 843

MontrealLondon

YUL - LCY

YULLCY

Montreal Pierre Elliott Trudeau Intl

Tue 13/10

4:40 p.m.-12:35 p.m.

2 stops14h 55m

London City

Tue 20/10

7:15 p.m.-3:00 p.m.

1 stop24h 45m

C$ 846

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sun 16/8

10:45 p.m.-6:50 p.m.

1 stop15h 05m

London Heathrow

Mon 31/8

1:45 p.m.-9:10 p.m.

1 stop12h 25m

C$ 882

MontrealLondon

YUL - SEN

YULSEN

Montreal Pierre Elliott Trudeau Intl

Mon 21/9

11:45 p.m.-7:55 a.m.

1 stop27h 10m

London Southend

Wed 30/9

8:25 a.m.-5:20 p.m.

1 stop13h 55m

C$ 894
Quickest round-trip

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Tue 15/9

10:00 p.m.-9:40 a.m.

Nonstop6h 40m

London Heathrow

Sun 20/9

6:05 p.m.-8:15 p.m.

Nonstop7h 10m

C$ 903

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/6

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Pierre Elliott Trudeau Intl to London

Have a flexible travel schedule? Discover the best time to fly to London from Pierre Elliott Trudeau Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Montreal Pierre Elliott Trudeau Intl Airport to London

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London?

Currently, December is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London (average of C$ 479). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London in April is currently the most expensive (average of C$ 1,568). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from YUL to LON?

Find hourly flight availability from Pierre Elliott Trudeau Intl to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 6 June 2026.

When flying from Montreal Pierre Elliott Trudeau Intl Airport to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Montreal Pierre Elliott Trudeau Intl Airport to London

Explore weekly flight availability from Pierre Elliott Trudeau Intl to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 6 June 2026.

The most flights from YUL to LON are scheduled on a Friday (20 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 on average).

How much does it cost to fly round-trip from Montreal Pierre Elliott Trudeau Intl Airport to London?

What’s the top layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to London?

Share of one-stop round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to London chosen by Cheapflights users in the past 12 months, using the same layover each way.

Toronto (YYZ) – chosen by Cheapflights users on 48% of one-stop itineraries from Montreal Pierre Elliott Trudeau Intl Airport to London on Cheapflights.

What’s the cheapest layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to London?

Average round-trip fare for 1-stop flights from Montreal Pierre Elliott Trudeau Intl Airport to London, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Toronto (YYZ) is the most affordable 1-stop option, with an average round-trip price of C$ 761.

What’s the fastest layover option from Montreal Pierre Elliott Trudeau Intl Airport to London?

Shortest average travel time for 1-stop one-way flights from Montreal Pierre Elliott Trudeau Intl Airport to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Newark (EWR) have the shortest average one-way travel time for 1-stop routes: 9h 52m.

Which airport typically offers the quickest layover for flights from Montreal Pierre Elliott Trudeau Intl Airport to London?

Average layover duration for 1-stop one-way flights from Montreal Pierre Elliott Trudeau Intl Airport to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Newark (EWR) offer the fastest connection on this route, with an average layover time of 1h 20m.

How often are flights from Montreal to London delayed?

About 20% of weekly flights between Montreal and London have experienced delays in the past year, with the average delay time being 154 minutes.

What is the most punctual flight time for Montreal to London flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Thursday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Montreal to London flights?

Over the past year, Air Transat has had the lowest number of delays on this route, with just 10% of flights being delayed.

How far ahead should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London?

The price you pay for your flight from Montreal Pierre Elliott Trudeau Intl Airport to London may vary depending on when you book. For the best chance of a lower fare, look to book 65 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 6 June 2026.
Get a feel of what it's like to fly with Porter Airlines,Air Transat, andAir Canada from Montreal Pierre Elliott Trudeau Intl Airport to London by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

6.9

Food

7.6

Comfort

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

6.9

Food

7.6

Comfort

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

6.9

Food

7.6

Comfort

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

6.9

Food

7.6

Comfort

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

6.9

Food

7.6

Comfort

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.

Boarding

8.2

Overall

8.0

Crew

8.6

Entertainment

6.9

Food

7.6

Comfort

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to London?

    For as low as C$ 800, Lufthansa can have you in London from Montreal Pierre Elliott Trudeau Intl Airport in 6h 50m. The distance from Montreal Pierre Elliott Trudeau Intl Airport to London is about 5213 km. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to London round-trip?

    Our cheapest airline available from Montreal Pierre Elliott Trudeau Intl Airport to London is Air Transat. Our recent data shows that you can find tickets from as low as C$ 660 on this airline. Additional options worth looking into are TAP AIR PORTUGAL and Porter Airlines, starting at C$ 686 and C$ 738 round-trip. These flights start at 32% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Montreal Pierre Elliott Trudeau Intl Airport to London one-way?

    C$ 329 is the cheapest one-way deal found within the past few days, from Air Transat. You may also be able to find cheap deals on TAP AIR PORTUGAL and Lufthansa, with prices starting from C$ 394 and C$ 439, respectively.

  • What are the most popular routes from Montreal Pierre Elliott Trudeau Intl Airport to London?

  • What are the most reliable airlines from Montreal Pierre Elliott Trudeau Intl Airport to London?

    Consider Austrian Airlines (90%), United Airlines (90%) or Lufthansa (90%) when booking your flight. These represent the most reliable airlines when flying from Montreal Pierre Elliott Trudeau Intl Airport to London.

  • What are the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to London?

    Looking at all options, your cheapest flight can be booked for C$ 810. While the most popular route (Montreal Pierre Elliott Trudeau Intl - London Heathrow) can be booked for C$ 767 on average, our data indicates C$ 1,604 when flying from Montreal Pierre Elliott Trudeau Intl Airport to London.

  • Can I find deals for flights from Pierre Elliott Trudeau Intl to London that include hotel bookings?

    Yes. In addition to deals on Pierre Elliott Trudeau Intl to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pierre Elliott Trudeau Intl to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to London.

  • Can I find deals for business class flights from Pierre Elliott Trudeau Intl to London?

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London?

    Currently, December is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to London (average of C$ 479). Flying from Montreal Pierre Elliott Trudeau Intl Airport to London in April is currently the most expensive (average of C$ 1,568). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Romford
Twickenham
Ilford
Bromley
Sutton
Hounslow
Slough
Marlow
Cobham
Watford
Luton
High Wycombe

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Pierre Elliott Trudeau Intl to London on these airlines

Choose from the following airlines for your flight from Pierre Elliott Trudeau Intl to London. Flights are based on user searches made on Cheapflights and were last updated on 6 June 2026.

Top 8 airlines flying from Pierre Elliott Trudeau Intl to London

Discover the top 8 airlines that operate flights from Pierre Elliott Trudeau Intl to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 6 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 660AverageC$ 985FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
TAP AIR PORTUGALCheapestC$ 686AverageC$ 744FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Porter AirlinesCheapestC$ 738AverageC$ 950FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
British AirwaysCheapestC$ 763AverageC$ 1,049FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapestC$ 763AverageC$ 1,078FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 765AverageC$ 1,079FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
American AirlinesCheapestC$ 783AverageC$ 979FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
FinnairCheapestC$ 869AverageC$ 1,123FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Pierre Elliott Trudeau Intl to London?

When you search for this flight from Pierre Elliott Trudeau Intl to London, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Pierre Elliott Trudeau Intl to London?

Cheapflights helps you find that perfect flight to London from Pierre Elliott Trudeau Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Pierre Elliott Trudeau Intl to London with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Pierre Elliott Trudeau Intl to London, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Pierre Elliott Trudeau Intl to London become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Pierre Elliott Trudeau Intl today and book when prices fit your budget.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.